Karpatite Mineral Data + Say KARPATITE


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General Karpatite Information

Help on Chemical  Formula: Chemical Formula: C24H12
Help on Composition: Composition: Molecular Weight = 300.36 gm
   Hydrogen   4.03 %  H
   Carbon    95.97 %  C
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: C24H12
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: Transcarpatinian Alps, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: Carpathite
  Coronene
  Pendletonite
 

Karpatite Image

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Karpatite

Comments: Pale greenish karpatite with minor red cinnabar.
Location: 4th of July mine, New Idria district, San Benito Co., California, USA. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

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Karpatite

Comments: Flat lying sprays of fibrous crystals of yellow karpatite to 2.8 cm in length on siliceous jasperoid with drusy quartz. Lower image taken using SW UV light.
Location: Los Picachos, near Picacho Peak, San Benito County, California, USA. Scale: 9.3 x 4.5 x 3.5 cm.
© John Veevaert

Karpatite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1373:1:3.4108
Help on Cell Dimensions: Cell Dimensions: a = 10.035, b = 4.695, c = 16.014, Z = 2; beta = 69° V = 704.38 Den(Calc)= 1.42
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c,P 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.43(1), 9.5(1), 3.96(0.4),
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Fawcett J K , Trotter J , Proceedings of the Royal Society of London , A289 (1966) p.366-376, The crystal and molecular structure of coronene, Locality: synthetic

 

Physical Properties of Karpatite

Help on Cleavage: Cleavage: [001] Perfect
Help on Color: Color: Yellow, Yellow green, Black.
Help on Density: Density: 1.35
Help on Diaphaniety: Diaphaniety: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luminescence: Luminescence: Fluorescent.
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: yellow white
 

Optical Properties of Karpatite

Help on Optical Data: Optical Data: Biaxial (+/-), a=1.76-1.78, b=1.78-1.982, g=2.05-2.15, bire=0.2900-0.3700
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Karpatite

Help on Electron Density: Electron Density:

relectron=1.48 gm/cc
note: rKarpatite =1.42 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01056
Boson Index = 0.98944
Help on Photoelectric: Photoelectric:

PEKarpatite = 0.15 barns/electron
U=PEKarpatite x relectron= 0.22 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Karpatite is Not Radioactive

 

Karpatite Classification

Help on  Dana Class: Dana Class: 50.3.7.1 (50)Salts of Organic Acids
  (50.3)(Hydrocarbons)
  (50.3.7)Dana Group
 
50.3.7.1 Karpatite C24H12 P 21/c,P 2/c 2/m
Help on  Strunz Class: Strunz Class: IX/B.02-60 IX - Organic compunds
  IX/B - Nitrogenfree compounds with C and water, ring structures
  IX/B.02 - Kratochvilite - Flagstaffite series
 
IX/B.02-10 Kratochvilite (C6H4)2CH2 P na21 mm2
 
IX/B.02-20 Simonellite C19H24 Pnaa 2/m 2/m 2/m
 
IX/B.02-30 Hoelite (C6H4)2(CO)2 P 21/a 2/m
 
IX/B.02-40 Refikite C19H31COOH P 212121 2 2 2
 
IX/B.02-50 Hartite C20H34 P1 1
 
IX/B.02-52 Fichtelite C19H34 P 21 2
 
IX/B.02-55 Dinite* C20H36 P 212121 2 2 2
 
IX/B.02-60 Karpatite C24H12 P 21/c,P 2/c 2/m
 
IX/B.02-70 Idrialite C22H14 Unk Ortho
 
IX/B.02-75 Ravatite C14H10 P 21 2
 
IX/B.02-80 Flagstaffite C10H22O3 F dd2 mm2
 

Other Karpatite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Karpatite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Karpatite

C24H12
Dana No: 50.3.7.1 Strunz No: IX/B.02-60
Locality:

 

Notes:

 

 
   
 
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